Vinoteca Restaurante/Librería

The exact classification of this establishment not far from Plaza Mayor in Old Madrid is still a mystery to me (is it a restaurant? a book shop? a liquor store?), but it looks pretty all the same.

The exact classification of this establishment not far from Plaza Mayor in Old Madrid is still a mystery to me (is it a restaurant? a book shop? a liquor store?), but it looks pretty all the same.